We stock every part for every Drumatic Humidifier ever made. Our technical support team can assist you should you have any questions about your Drumatic humidifier. Order from the source of Drumatic humidifier parts and filters just like the contractors do. You will find on-line owners manuals as well as exploded views of your model on its associated humidifier parts page. Remember to replace your Drumatic humidifier filter or humidifier pad at least once per year for optimal operation.